Finding the Fourth Proportional to 21,341.18, 32,016.96 and 7,109.62

Step by Step Solution

1. Step 1: Write the proportion equation
   21,341.18 : 32,016.96 = 7,109.62 : x
2. Step 2: Convert to fraction form
   21,341.18/32,016.96 = 7,109.62/x
3. Step 3: Cross multiply
   21,341.18x = 32,016.96 × 7,109.62
4. Step 4: Simplify right side
   21,341.18x = 227,628,419.16
5. Step 5: Solve for x
   x = 227,628,419.16/21,341.18
6. Step 6: Final answer
   x = 10,666.16